Top 3 C# Steamkit2 Projects

ArchiSteamFarm

96 10,610 9.9 C#

C# application with primary purpose of farming Steam cards from multiple accounts simultaneously.

Project mention: Is still safe to use steam idle? | /r/Steam | 2023-12-07

Why should they? But be sure to use Open Source Projects like https://github.com/JustArchiNET/ArchiSteamFarm or https://github.com/JonasNilson/idle_master_extended so that no funny business happens due to your account due to shady idler programs. Idler programs simply mimic what you're doing and Steam doesn't care about you actually played the game or idled the time since Playtime is IR-reversible and the more you idle, the more you can't refund the game which suits them well.
SteamKit

6 2,447 8.8 C#

SteamKit2 is a .NET library designed to interoperate with Valve's Steam network. It aims to provide a simple, yet extensible, interface to perform various actions on the network.

Project mention: L i a r s | /r/DotA2 | 2023-06-03

So I will be making a client-side mod to show mmr changes as in the old client Upcoming data will be stored locally in the cfg folder (per account i.e. cloud synced) Wont know about matches played before adding the mod (valve went scorched earth removing data points from client.dll) But can populate previous history via an external opensource tool based on SteamKit samples
WorkOS

workos.com
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The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
steam-lancache-prefill

7 248 8.5 C#

CLI tool to automatically prime a Lancache with Steam games

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2023-12-07.